Change Background Attribute of Body Element?

Question

hi,
i want to change the backgound attribute of body tag i am not able to do it with setCharacterAttributes method but i could do it for other elements which are leaf eg Image,etc,
SetCharacterAttribute method states that the getStartOffset method will return the offset of the first child if the element happens to be non leaf element ,if so how do i get the offset??
I have searched the forum on the above issue but didnt get any feasable solution!!
Thanks in Advance
Nawaz

Answer 1

Hello, there are meanings, but not very easy...
1)
First, search and get the Element named body.
get attributes and cast them to javax.swing.text.MutableAttributeSet.
then you can set theAttribute.add(...) to set the attribute you want
But :( this method need get a write lock of HTMLDocument.
But :(( writeLock() and writeUnlock() method are protected. Then you must override them to set them public
and use
try {
   doc.writeLock()
   attr.add(---);
finally
   doc.writeUnlock()
}Before do this check if the backgound attribute works on JTextPane by opening a such document...
2) get the HTML code, modify it and replace it